JAVA压缩文件

import java.io.BufferedOutputStream;
import java.io.File;
import java.io.FileInputStream;
import java.io.FileNotFoundException;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.OutputStream;
import java.util.zip.ZipEntry;
import java.util.zip.ZipOutputStream;

/**
 * @author zhaoliangyuan
 * @E-mail [email protected]
 * @dateTime 2010/7/20 上午 10:44:50 类说明:
 * 壓縮文件
 */
public class Test24 {
	public static void main(String[] args) {

		Test24 recursiveZip = new Test24();
		System.out.println("====開始====");
		try {
			OutputStream os = new FileOutputStream("D:/test.rar");
			BufferedOutputStream bs = new BufferedOutputStream(os);
			ZipOutputStream zo = new ZipOutputStream(bs);

			// recursiveZip.zip("e:/recursive-zip/中文文件名.txt", new
			// File("e:/recursive-zip"), zo, true, true);
			recursiveZip.zip("D:/temp", new File("D:/temp"), zo, true, true);

			zo.closeEntry();
			zo.close();
		} catch (FileNotFoundException e) {
			e.printStackTrace();
		} catch (IOException e) {
			e.printStackTrace();
		}
		System.out.println("====完成====");
	}

	/**
	 * @param path
	 *            要压缩的路径, 可以是目录, 也可以是文件.
	 * @param basePath
	 *            如果path是目录,它一般为new File(path), 作用是:使输出的zip文件以此目录为根目录,
	 *            如果为null它只压缩文件, 不解压目录.
	 * @param zo
	 *            压缩输出流
	 * @param isRecursive
	 *            是否递归
	 * @param isOutBlankDir
	 *            是否输出空目录, 要使输出空目录为true,同时baseFile不为null.
	 * @throws IOException
	 */
	public void zip(String path, File basePath, ZipOutputStream zo, boolean isRecursive, boolean isOutBlankDir) throws IOException {

		File inFile = new File(path);

		File[] files = new File[0];
		if (inFile.isDirectory()) { // 是目录
			files = inFile.listFiles();
		} else if (inFile.isFile()) { // 是文件
			files = new File[1];
			files[0] = inFile;
		}
		byte[] buf = new byte[1024];
		int len;
		// System.out.println("baseFile: "+baseFile.getPath());
		for (int i = 0; i < files.length; i++) {
			String pathName = "";
			if (basePath != null) {
				if (basePath.isDirectory()) {
					pathName = files[i].getPath().substring(basePath.getPath().length() + 1);
				} else {// 文件
					pathName = files[i].getPath().substring(basePath.getParent().length() + 1);
				}
			} else {
				pathName = files[i].getName();
			}
			System.out.println(pathName);
			if (files[i].isDirectory()) {
				if (isOutBlankDir && basePath != null) {
					zo.putNextEntry(new ZipEntry(pathName + "/")); // 可以使空目录也放进去
				}
				if (isRecursive) { // 递归
					zip(files[i].getPath(), basePath, zo, isRecursive, isOutBlankDir);
				}
			} else {
				FileInputStream fin = new FileInputStream(files[i]);
				zo.putNextEntry(new ZipEntry(pathName));
				while ((len = fin.read(buf)) > 0) {
					zo.write(buf, 0, len);
				}
				fin.close();
			}
		}
	}

}